780 / 1132
778
Reference
www.daytonparts.comfor continuing updates.
Suspension Illustration
Key Numbers with an asterisk (*) indicate a kit or assembly.
Peterbilt
Peterbilt
Air Trac
®
Single/Tandem Axle
Rear Air Suspension
1
Note:
Current design
does not have bolt hole
in lower frame flange.
7
6
8*
8*
25
12
3*
4
5
10
12
11
14
14
15
15
16
16
13
17
18
23
22
19
20
21
24
Key 2* -
Wear Pad
Assembly
Key 3* -
Hanger Bolt Assembly
4
9
Early
Late